 *
{
    margin: 0;
    padding: 0;
}
#box
{
    margin: 200px 0 0 50px;

    text-align: center;

    color: #ccc;
}
ul
{
    float: left;

    list-style: none;
}
li
{
    line-height: 40px;

    position: relative;

    width: 150px;
    height: 40px;

    border: 1px solid #eee;
    background-color: #124520;
}
li span
{
    position: absolute;
    top: 0;
    right: 10px;
}
li:hover
{
    transition: background-color .5s;

    background-color: #666;
}
ul
{
    display: none;
}
ul.first
{
    display: block;
}
.relative
{
    position: relative;
    top: 0;
    left: 0;
}
.absolute
{
    position: absolute;
    top: 0;
    left: 0;
}
.show
{
    display: block;
}
.hide
{
    display: none;
}
